⚙️🧵⚙️↕️🧱

#compound pulley #block and tackle #mechanical advantage #lifting heavy objects #simple machine

🎣रस्सी⬆️🧱

#pulley #lifting tackle #block and tackle #raising weight #manual hoist #hook and rope

⚓️रस्सी⚙️

#pulley #hoist #block and tackle